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2011•Journal of Electromagnetic Waves and ApplicationsRequires access

Design of a Compact Hairpin Filter with Spurious Suppression

Javad Ghalibafan, Saeed Fallahzadeh, Nader Komjani, Majid Tayarani

Open publisher page 5 citations

Abstract

In this paper, a new method for suppressing the first spurious passband in microstrip hairpin filter is proposed. For this purpose, meandered shaped coupled lines are used instead of conventional coupled lines. Furthermore, by using this method, a size reduction of 50% is achieved. Simulated and measured results show that the modified bandpass hairpin filter presents a rejection level exceeding 35 dB in the first spurious passband.

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What this paper is about

In this paper, a new method for suppressing the first spurious passband in microstrip hairpin filter is proposed. For this purpose, meandered shaped coupled lines are used instead of conventional coupled lines. Furthermore, by using this method, a size reduction of 50% is achieved. Simulated and measured results show that the modified bandpass hairpin filter presents a rejection level exceeding 35 dB in the first spurious passband.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this paper, a new method for suppressing the first spurious passband in microstrip hairpin filter is proposed. For this purpose, meandered shaped coupled lines are used instead of conventional coupled lines. Furthermore, by using this method, a size reduction of 50% is achieved. Simulated and measured results show that the modified bandpass hairpin filter presents a rejection level exceeding 35 dB in the first spurious passband.

Key concepts: Spurious relationship, Passband, Band-pass filter, Filter (signal processing), Microstrip, Physics, Computer science, Acoustics

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